144322207 has 2 divisors, whose sum is σ = 144322208. Its totient is φ = 144322206.

The previous prime is 144322187. The next prime is 144322219. The reversal of 144322207 is 702223441.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 144322207 - 2¹⁹ = 143797919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144322247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72161103 + 72161104.

It is an arithmetic number, because the mean of its divisors is an integer number (72161104).

Almost surely, 2^144322207 is an apocalyptic number.

144322207 is a deficient number, since it is larger than the sum of its proper divisors (1).

144322207 is an equidigital number, since it uses as much as digits as its factorization.

144322207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 144322207 is about 12013.4177901212. The cubic root of 144322207 is about 524.5389233756.

Adding to 144322207 its reverse (702223441), we get a palindrome (846545648).

The spelling of 144322207 in words is "one hundred forty-four million, three hundred twenty-two thousand, two hundred seven".